Transcript for 'Digital Addiction?' - A 20/20 special this Friday at 10/9c on ABC

Control I'd hate got a tingle all. Cook stir Katie get off lives crunch time. Off more exhausted me from the east tantrums or is very interventions. We have courageously. You mentioned go to rehab for at OK wolf you have got really really angry you're mother and your father are afraid of that anger just. Mindful that she's a friend with. Drone I would like steak I would cry out and screens this addiction. Digital addiction and I couldn't put the phone down it was the way simultaneously cutting my arm off. This is changing your child's brain without you even knowing and it's not just kids. It bit him. It I was going to bat as nearly lavish and he has shot coming in about it me. It's kind of crazy released torn apart I have no control over this what can you do why isn't just as easy and sliding right just take the computer away I don't understand what to new brain scans really reveal. Maybe you'll see some results say could help Trace what could be the issues. It's real it's happening here too parents who are shocked it was a knock down drag out fight it's happening to them I could start to see this person change and to hit who are you. Now see stunning video diaries from parents kids in real time and I just kept thinking you're not gonna die on my watch. Motion you long journey from crisis to home. Yeah. Front it's time soon.

This transcript has been automatically generated and may not be 100% accurate.

Now Playing: Guarding Your Kids Against Screen Addiction During the Holidays

Now Playing: Girl Scouts on how Meghan Markle inspires them: 'She speaks up for women'

Now Playing: What the fascinator?! Why guests at the royal wedding wear hats

Now Playing: Pilots who safely landed Southwest flight remember moment they knew there was trouble

Now Playing: Pilots who safely landed Southwest flight on their bond and their lessons for pilots

Now Playing: What pilots who safely landed deadly Southwest flight may have experienced in cockpit

Now Playing: Pilots, passengers of deadly Southwest flight on the life-changing ordeal: Part 6

Now Playing: Southwest passengers prepare for the worst after blown engine, smashed window: Part 3

Now Playing: 'Oh, here we go,' Southwest pilot recalled saying after hearing a bang: Part 1

Now Playing: {{itm.title}}

{"id":47451357,"title":"'Digital Addiction?' - A 20/20 special this Friday at 10/9c on ABC","duration":"1:29","description":"See the emotional year-long journey from crisis to hope. What do new brain scans really reveal? Watch this powerful all-new special 20/20 this Friday at 10/9c on ABC","url":"/2020/video/digital-addiction-2020-special-friday-109c-abc-47451357","section":"2020","mediaType":"default"}